"""
@name : mycls
@author : wenyao
@projectname: sanchuanglianxi
"""
class Count:
    def __init__(self, a,b):
        self.a = int(a)
        self.b = int(b)

    def add(self):
        return self.a + self.b

    def minus(self):
        return self.a - self.b

    def multi(self):
        return self.a * self.b

    def divide(self):
        return self.a / self.b